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<div class="title">cutil_inline_runtime.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright 1993-2010 NVIDIA Corporation.  All rights reserved.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Please refer to the NVIDIA end user license agreement (EULA) associated</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * with this source code for terms and conditions that govern your use of</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * this software. Any use, reproduction, disclosure, or distribution of</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * this software and related documentation outside the terms of the EULA</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * is strictly prohibited.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#ifndef _CUTIL_INLINE_FUNCTIONS_RUNTIME_H_</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#define _CUTIL_INLINE_FUNCTIONS_RUNTIME_H_</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#ifdef _DEBUG </span><span class="comment">// Do this only in debug mode...</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#  define WINDOWS_LEAN_AND_MEAN</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#  include &lt;windows.h&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#  include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#  undef min</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#  undef max</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;cufft.h&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">// We define these calls here, so the user doesn&#39;t need to include __FILE__ and __LINE__</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">// The advantage is the developers gets to use the inline function so they can debug</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#define cutilSafeCallNoSync(err)     __cudaSafeCallNoSync(err, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#define cutilSafeCall(err)           __cudaSafeCall      (err, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#define cutilSafeThreadSync()        __cudaSafeThreadSync(__FILE__, __LINE__)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#define cufftSafeCall(err)           __cufftSafeCall     (err, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#define cutilCheckError(err)         __cutilCheckError   (err, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#define cutilCheckMsg(msg)           __cutilGetLastError (msg, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#define cutilCheckMsgAndSync(msg)    __cutilGetLastErrorAndSync (msg, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#define cutilSafeMalloc(mallocCall)  __cutilSafeMalloc   ((mallocCall), __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#define cutilCondition(val)          __cutilCondition    (val, __FILE__, __LINE__)</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#define cutilExit(argc, argv)        __cutilExit         (argc, argv)</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">inline</span> cudaError cutilDeviceSynchronize()</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;{</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#if CUDART_VERSION &gt;= 4000</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keywordflow">return</span> cudaDeviceSynchronize();</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="keywordflow">return</span> cudaThreadSynchronize();</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">inline</span> cudaError cutilDeviceReset()</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="preprocessor">#if CUDART_VERSION &gt;= 4000</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordflow">return</span> cudaDeviceReset();</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordflow">return</span> cudaThreadExit();</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilCondition(<span class="keywordtype">int</span> val, <span class="keywordtype">char</span> *file, <span class="keywordtype">int</span> line) </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;{</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keywordflow">if</span>( CUTFalse == cutCheckCondition( val, file, line ) ) {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        exit(EXIT_FAILURE);</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    }</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;}</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160; </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilExit(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;{     </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordflow">if</span> (!cutCheckCmdLineFlag(argc, (<span class="keyword">const</span> <span class="keywordtype">char</span>**)argv, <span class="stringliteral">&quot;noprompt&quot;</span>)) {</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        printf(<span class="stringliteral">&quot;\nPress ENTER to exit...\n&quot;</span>);</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        fflush( stdout);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        fflush( stderr);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        getchar();</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    exit(EXIT_SUCCESS);</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;}</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="preprocessor">#define MIN(a,b) ((a &lt; b) ? a : b)</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="preprocessor">#define MAX(a,b) ((a &gt; b) ? a : b)</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">// Beginning of GPU Architecture definitions</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> _ConvertSMVer2Cores(<span class="keywordtype">int</span> major, <span class="keywordtype">int</span> minor)</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;{</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="comment">// Defines for GPU Architecture types (using the SM version to determine the # of cores per SM</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keywordtype">int</span> SM; <span class="comment">// 0xMm (hexidecimal notation), M = SM Major version, and m = SM minor version</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        <span class="keywordtype">int</span> Cores;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    } sSMtoCores;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    sSMtoCores nGpuArchCoresPerSM[] = </div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    { { 0x10,  8 },</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      { 0x11,  8 },</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;      { 0x12,  8 },</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      { 0x13,  8 },</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      { 0x20, 32 },</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;      { 0x21, 48 },</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;      {   -1, -1 } </div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    };</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="keywordtype">int</span> index = 0;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordflow">while</span> (nGpuArchCoresPerSM[index].SM != -1) {</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="keywordflow">if</span> (nGpuArchCoresPerSM[index].SM == ((major &lt;&lt; 4) + minor) ) {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            <span class="keywordflow">return</span> nGpuArchCoresPerSM[index].Cores;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        index++;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    }</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    printf(<span class="stringliteral">&quot;MapSMtoCores undefined SMversion %d.%d!\n&quot;</span>, major, minor);</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;}</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment">// end of GPU Architecture definitions</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">// This function returns the best GPU (with maximum GFLOPS)</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> cutGetMaxGflopsDeviceId()</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;{</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordtype">int</span> current_device   = 0, sm_per_multiproc = 0;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keywordtype">int</span> max_compute_perf = 0, max_perf_device  = 0;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordtype">int</span> device_count     = 0, best_SM_arch     = 0;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    cudaDeviceProp deviceProp;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    cudaGetDeviceCount( &amp;device_count );</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="comment">// Find the best major SM Architecture GPU device</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keywordflow">while</span> ( current_device &lt; device_count ) {</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        cudaGetDeviceProperties( &amp;deviceProp, current_device );</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        <span class="keywordflow">if</span> (deviceProp.major &gt; 0 &amp;&amp; deviceProp.major &lt; 9999) {</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            best_SM_arch = MAX(best_SM_arch, deviceProp.major);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        }</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        current_device++;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    }</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160; </div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="comment">// Find the best CUDA capable GPU device</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    current_device = 0;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordflow">while</span>( current_device &lt; device_count ) {</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        cudaGetDeviceProperties( &amp;deviceProp, current_device );</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">if</span> (deviceProp.major == 9999 &amp;&amp; deviceProp.minor == 9999) {</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;            sm_per_multiproc = 1;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;            sm_per_multiproc = _ConvertSMVer2Cores(deviceProp.major, deviceProp.minor);</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keywordtype">int</span> compute_perf  = deviceProp.multiProcessorCount * sm_per_multiproc * deviceProp.clockRate;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">if</span>( compute_perf  &gt; max_compute_perf ) {</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            <span class="comment">// If we find GPU with SM major &gt; 2, search only these</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            <span class="keywordflow">if</span> ( best_SM_arch &gt; 2 ) {</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                <span class="comment">// If our device==dest_SM_arch, choose this, or else pass</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                <span class="keywordflow">if</span> (deviceProp.major == best_SM_arch) { </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                    max_compute_perf  = compute_perf;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                    max_perf_device   = current_device;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                }</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                max_compute_perf  = compute_perf;</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                max_perf_device   = current_device;</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            }</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        }</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        ++current_device;</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <span class="keywordflow">return</span> max_perf_device;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;}</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment">// This function returns the best GPU (with maximum GFLOPS)</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> cutGetMaxGflopsGraphicsDeviceId()</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;{</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keywordtype">int</span> current_device   = 0, sm_per_multiproc = 0;</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordtype">int</span> max_compute_perf = 0, max_perf_device  = 0;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordtype">int</span> device_count     = 0, best_SM_arch     = 0;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    <span class="keywordtype">int</span> bTCC = 0;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    cudaDeviceProp deviceProp;</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    cudaGetDeviceCount( &amp;device_count );</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="comment">// Find the best major SM Architecture GPU device that is graphics capable</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordflow">while</span> ( current_device &lt; device_count ) {</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        cudaGetDeviceProperties( &amp;deviceProp, current_device );</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">#if CUDA_VERSION &gt;= 3020</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keywordflow">if</span> (deviceProp.tccDriver) bTCC = 1;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        <span class="comment">// Assume a Tesla GPU is running in TCC if we are running CUDA 3.1</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">if</span> (deviceProp.name[0] == <span class="charliteral">&#39;T&#39;</span>) bTCC = 1;</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        <span class="keywordflow">if</span> (!bTCC) {</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            <span class="keywordflow">if</span> (deviceProp.major &gt; 0 &amp;&amp; deviceProp.major &lt; 9999) {</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                best_SM_arch = MAX(best_SM_arch, deviceProp.major);</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            }</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        current_device++;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    }</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160; </div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="comment">// Find the best CUDA capable GPU device</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    current_device = 0;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordflow">while</span>( current_device &lt; device_count ) {</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        cudaGetDeviceProperties( &amp;deviceProp, current_device );</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        <span class="keywordflow">if</span> (deviceProp.major == 9999 &amp;&amp; deviceProp.minor == 9999) {</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            sm_per_multiproc = 1;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            sm_per_multiproc = _ConvertSMVer2Cores(deviceProp.major, deviceProp.minor);</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;        }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="preprocessor">#if CUDA_VERSION &gt;= 3020</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        <span class="keywordflow">if</span> (deviceProp.tccDriver) bTCC = 1;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        <span class="comment">// Assume a Tesla GPU is running in TCC if we are running CUDA 3.1</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;        <span class="keywordflow">if</span> (deviceProp.name[0] == <span class="charliteral">&#39;T&#39;</span>) bTCC = 1;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;        <span class="keywordflow">if</span> (!bTCC) <span class="comment">// Is this GPU running the TCC driver?  If so we pass on this</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        {</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;            <span class="keywordtype">int</span> compute_perf  = deviceProp.multiProcessorCount * sm_per_multiproc * deviceProp.clockRate;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;            <span class="keywordflow">if</span>( compute_perf  &gt; max_compute_perf ) {</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                <span class="comment">// If we find GPU with SM major &gt; 2, search only these</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                <span class="keywordflow">if</span> ( best_SM_arch &gt; 2 ) {</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                    <span class="comment">// If our device==dest_SM_arch, choose this, or else pass</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    <span class="keywordflow">if</span> (deviceProp.major == best_SM_arch) { </div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                        max_compute_perf  = compute_perf;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;                        max_perf_device   = current_device;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                    }</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                    max_compute_perf  = compute_perf;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                    max_perf_device   = current_device;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                }</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;            }</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        }</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        ++current_device;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordflow">return</span> max_perf_device;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;}</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160; </div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">// Give a little more for Windows : the console window often disapears before we can read the message</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="preprocessor"># if 1</span><span class="comment">//ndef UNICODE</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="preprocessor">#  ifdef _DEBUG </span><span class="comment">// Do this only in debug mode...</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> VSPrintf(FILE *file, LPCSTR fmt, ...)</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    {</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;        <span class="keywordtype">size_t</span> fmt2_sz  = 2048;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        <span class="keywordtype">char</span> *fmt2      = (<span class="keywordtype">char</span>*)malloc(fmt2_sz);</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        va_list  vlist;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        va_start(vlist, fmt);</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;        <span class="keywordflow">while</span>((_vsnprintf(fmt2, fmt2_sz, fmt, vlist)) &lt; 0) <span class="comment">// means there wasn&#39;t anough room</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        {</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            fmt2_sz *= 2;</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            <span class="keywordflow">if</span>(fmt2) free(fmt2);</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            fmt2 = (<span class="keywordtype">char</span>*)malloc(fmt2_sz);</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        }</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        OutputDebugStringA(fmt2);</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        fprintf(file, fmt2);</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;        free(fmt2);</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    }</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="preprocessor">#   define FPRINTF(a) VSPrintf a</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="preprocessor">#  else </span><span class="comment">//debug</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="preprocessor">#   define FPRINTF(a) fprintf a</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment">// For other than Win32</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="preprocessor">#  endif </span><span class="comment">//debug</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="preprocessor"># else </span><span class="comment">//unicode</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">// Unicode case... let&#39;s give-up for now and keep basic printf</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="preprocessor">#   define FPRINTF(a) fprintf a</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="preprocessor"># endif </span><span class="comment">//unicode</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="preprocessor">#else </span><span class="comment">//win32</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">#   define FPRINTF(a) fprintf a</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="preprocessor">#endif </span><span class="comment">//win32</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="comment">// NOTE: &quot;%s(%i) : &quot; allows Visual Studio to directly jump to the file at the right line</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">// when the user double clicks on the error line in the Output pane. Like any compile error.</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; </div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cudaSafeCallNoSync( cudaError err, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;{</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cudaSafeCallNoSync() Runtime API error : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;                file, line, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    }</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;}</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160; </div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cudaSafeCall( cudaError err, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;{</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cudaSafeCall() Runtime API error : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;                file, line, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    }</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;}</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cudaSafeThreadSync( <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;{</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    cudaError err = cutilDeviceSynchronize();</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">if</span> ( cudaSuccess != err) {</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cudaDeviceSynchronize() Runtime API error : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;                file, line, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    }</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;}</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160; </div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cufftSafeCall( cufftResult err, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;{</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    <span class="keywordflow">if</span>( CUFFT_SUCCESS != err) {</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cufftSafeCall() CUFFT error.\n&quot;</span>,</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;                file, line));</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    }</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;}</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160; </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilCheckError( CUTBoolean err, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;{</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keywordflow">if</span>( CUTTrue != err) {</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : CUTIL CUDA error.\n&quot;</span>,</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;                file, line));</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    }</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;}</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160; </div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilGetLastError( <span class="keyword">const</span> <span class="keywordtype">char</span> *errorMessage, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;{</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    cudaError_t err = cudaGetLastError();</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cutilCheckMsg() CUTIL CUDA error : %s : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;                file, line, errorMessage, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    }</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;}</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilGetLastErrorAndSync( <span class="keyword">const</span> <span class="keywordtype">char</span> *errorMessage, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;{</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    cudaError_t err = cudaGetLastError();</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cutilCheckMsg() CUTIL CUDA error : %s : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;                file, line, errorMessage, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    }</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160; </div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    err = cutilDeviceSynchronize();</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cutilCheckMsg cudaDeviceSynchronize error: %s : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;                file, line, errorMessage, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    }</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;}</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilSafeMalloc( <span class="keywordtype">void</span> *pointer, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line )</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;{</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    <span class="keywordflow">if</span>( !(pointer)) {</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : cutilSafeMalloc host malloc failure\n&quot;</span>,</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;                file, line));</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    }</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;}</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160; </div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="preprocessor">#if __DEVICE_EMULATION__</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">int</span> cutilDeviceInit(<span class="keywordtype">int</span> ARGC, <span class="keywordtype">char</span> **ARGV) { }</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">int</span> cutilChooseCudaDevice(<span class="keywordtype">int</span> ARGC, <span class="keywordtype">char</span> **ARGV) { }</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">int</span> cutilDeviceInit(<span class="keywordtype">int</span> ARGC, <span class="keywordtype">char</span> **ARGV)</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    {</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;        <span class="keywordtype">int</span> deviceCount;</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;        cutilSafeCallNoSync(cudaGetDeviceCount(&amp;deviceCount));</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        <span class="keywordflow">if</span> (deviceCount == 0) {</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;            FPRINTF((stderr, <span class="stringliteral">&quot;CUTIL CUDA error: no devices supporting CUDA.\n&quot;</span>));</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;            exit(-1);</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;        }</div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        <span class="keywordtype">int</span> dev = 0;</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        cutGetCmdLineArgumenti(ARGC, (<span class="keyword">const</span> <span class="keywordtype">char</span> **) ARGV, <span class="stringliteral">&quot;device&quot;</span>, &amp;dev);</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;        <span class="keywordflow">if</span> (dev &lt; 0) </div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;            dev = 0;</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;        <span class="keywordflow">if</span> (dev &gt; deviceCount-1) {</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;            fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;            fprintf(stderr, <span class="stringliteral">&quot;&gt;&gt; %d CUDA capable GPU device(s) detected. &lt;&lt;\n&quot;</span>, deviceCount);</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;            fprintf(stderr, <span class="stringliteral">&quot;&gt;&gt; cutilDeviceInit (-device=%d) is not a valid GPU device. &lt;&lt;\n&quot;</span>, dev);</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;            fprintf(stderr, <span class="stringliteral">&quot;\n&quot;</span>);</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;            <span class="keywordflow">return</span> -dev;</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;        }  </div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;        cudaDeviceProp deviceProp;</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;        cutilSafeCallNoSync(cudaGetDeviceProperties(&amp;deviceProp, dev));</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        <span class="keywordflow">if</span> (deviceProp.major &lt; 1) {</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;            FPRINTF((stderr, <span class="stringliteral">&quot;cutil error: GPU device does not support CUDA.\n&quot;</span>));</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;            exit(-1);                                                  \</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        }</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        printf(<span class="stringliteral">&quot;&gt; Using CUDA device [%d]: %s\n&quot;</span>, dev, deviceProp.name);</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        cutilSafeCall(cudaSetDevice(dev));</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160; </div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keywordflow">return</span> dev;</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    }</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160; </div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;    <span class="comment">// General initialization call to pick the best CUDA Device</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">int</span> cutilChooseCudaDevice(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    {</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;        cudaDeviceProp deviceProp;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        <span class="keywordtype">int</span> devID = 0;</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;        <span class="comment">// If the command-line has a device number specified, use it</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;        <span class="keywordflow">if</span>( cutCheckCmdLineFlag(argc, (<span class="keyword">const</span> <span class="keywordtype">char</span>**)argv, <span class="stringliteral">&quot;device&quot;</span>) ) {</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            devID = cutilDeviceInit(argc, argv);</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;            <span class="keywordflow">if</span> (devID &lt; 0) {</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;               printf(<span class="stringliteral">&quot;exiting...\n&quot;</span>);</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;               cutilExit(argc, argv);</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;               exit(0);</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            }</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;            <span class="comment">// Otherwise pick the device with highest Gflops/s</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;            devID = cutGetMaxGflopsDeviceId();</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;            cutilSafeCallNoSync( cudaSetDevice( devID ) );</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;            cutilSafeCallNoSync( cudaGetDeviceProperties(&amp;deviceProp, devID) );</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;            printf(<span class="stringliteral">&quot;&gt; Using CUDA device [%d]: %s\n&quot;</span>, devID, deviceProp.name);</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;        }</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordflow">return</span> devID;</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    }</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160; </div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; </div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> cutilCudaCheckCtxLost(<span class="keyword">const</span> <span class="keywordtype">char</span> *errorMessage, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keyword">const</span> <span class="keywordtype">int</span> line ) </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;{</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;    cudaError_t err = cudaGetLastError();</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : CUDA error: %s : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        file, line, errorMessage, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;    }</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;    err = cutilDeviceSynchronize();</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;    <span class="keywordflow">if</span>( cudaSuccess != err) {</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        FPRINTF((stderr, <span class="stringliteral">&quot;%s(%i) : CUDA error: %s : %s.\n&quot;</span>,</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;        file, line, errorMessage, cudaGetErrorString( err) ));</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;        exit(-1);</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;    }</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;}</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160; </div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="preprocessor">#ifndef STRCASECMP</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="preprocessor">#define STRCASECMP  _stricmp</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="preprocessor">#define STRCASECMP  strcasecmp</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160; </div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="preprocessor">#ifndef STRNCASECMP</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="preprocessor">#ifdef _WIN32</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="preprocessor">#define STRNCASECMP _strnicmp</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="preprocessor">#define STRNCASECMP strncasecmp</span></div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160; </div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> __cutilQAFinish(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv, <span class="keywordtype">bool</span> bStatus)</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;{</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *sStatus[] = { <span class="stringliteral">&quot;FAILED&quot;</span>, <span class="stringliteral">&quot;PASSED&quot;</span>, <span class="stringliteral">&quot;WAIVED&quot;</span>, NULL };</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160; </div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    <span class="keywordtype">bool</span> bFlag = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=1; i &lt; argc; i++) {</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        <span class="keywordflow">if</span> (!STRCASECMP(argv[i], <span class="stringliteral">&quot;-qatest&quot;</span>) || !STRCASECMP(argv[i], <span class="stringliteral">&quot;-noprompt&quot;</span>)) {</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;            bFlag |= <span class="keyword">true</span>;</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        }</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    }</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160; </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;    <span class="keywordflow">if</span> (bFlag) {</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        printf(<span class="stringliteral">&quot;&amp;&amp;&amp;&amp; %s %s&quot;</span>, sStatus[bStatus], argv[0]);</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=1; i &lt; argc; i++) printf(<span class="stringliteral">&quot; %s&quot;</span>, argv[i]);</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;        printf(<span class="stringliteral">&quot;[%s] test result\n%s\n&quot;</span>, argv[0], sStatus[bStatus]);</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;    }</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;}</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160; </div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">// General check for CUDA GPU SM Capabilities</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> cutilCudaCapabilities(<span class="keywordtype">int</span> major_version, <span class="keywordtype">int</span> minor_version, <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;{</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;    cudaDeviceProp deviceProp;</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    deviceProp.major = 0;</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    deviceProp.minor = 0;</div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    <span class="keywordtype">int</span> dev;</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160; </div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;<span class="preprocessor">#ifdef __DEVICE_EMULATION__</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    printf(<span class="stringliteral">&quot;&gt; Compute Device Emulation Mode \n&quot;</span>);</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160; </div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    cutilSafeCall( cudaGetDevice(&amp;dev) );</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    cutilSafeCall( cudaGetDeviceProperties(&amp;deviceProp, dev));</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160; </div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    <span class="keywordflow">if</span>((deviceProp.major &gt; major_version) ||</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;       (deviceProp.major == major_version &amp;&amp; deviceProp.minor &gt;= minor_version))</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    {</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;        printf(<span class="stringliteral">&quot;&gt; Device %d: &lt;%16s &gt;, Compute SM %d.%d detected\n&quot;</span>, dev, deviceProp.name, deviceProp.major, deviceProp.minor);</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    }</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    {</div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;        printf(<span class="stringliteral">&quot;There is no device supporting CUDA compute capability %d.%d.\n&quot;</span>, major_version, minor_version);</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;        __cutilQAFinish(argc, argv, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    }</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;}</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160; </div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// _CUTIL_INLINE_FUNCTIONS_RUNTIME_H_</span></div>
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